Epson Expression 800 User Manual - TWAIN 32 - Page 48

Displaying the Brightest and Darkest Image Points, Adjusting Image Quality,

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Displaying the Brightest and Darkest Image Points Locating the brightest and darkest points in your prescan image helps you adjust the highlights and shadows. 1 To find the brightest point, click the Highlight/Shadow Control button and move the mouse pointer over the prescan image; the pointer changes to a white triangle. Hold down the Ctrl and Shift keys (Windows) or command and shift keys (Macintosh). A circled red cross appears at the brightest image point. 2 Move the mouse pointer to the middle of the red cross and click. The highlight adjustment is made based on the values at that point. 3 To find the darkest point, click the Highlight/Shadow Control button, move the mouse pointer over the prescan image, and press the Alt key (Windows) or option key (Macintosh). The pointer changes to a black triangle. Release the Alt key, then hold down the Ctrl key (Windows) or command and control keys (Macintosh). A circled red cross appears at the darkest image point. 4 Move the mouse pointer to the middle of the red cross and click. The shadow adjustment is made based on the values at that point. Adjusting Image Quality Page 48

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Adjusting Image Quality
Page 48
Displaying the Brightest and Darkest Image Points
Locating the brightest and darkest points in your prescan image helps you
adjust the highlights and shadows.
1
To find the brightest point, click the
Highlight/Shadow Control
button and move the mouse pointer over the prescan image; the
pointer changes to a white triangle.
Hold down the
Ctrl
and
Shift
keys (Windows) or
command
and
shift
keys (Macintosh). A circled red cross appears at the brightest image
point.
2
Move the mouse pointer to the middle of the red cross and click. The
highlight adjustment is made based on the values at that point.
3
To find the darkest point, click the
Highlight/Shadow Control button,
move the mouse pointer over the prescan image, and press the
Alt
key (Windows) or
option
key (Macintosh). The pointer changes to a
black triangle.
Release the
Alt
key, then hold down the
Ctrl
key (Windows) or
command
and
control
keys (Macintosh). A circled red cross appears
at the darkest image point.
4
Move the mouse pointer to the middle of the red cross and click. The
shadow adjustment is made based on the values at that point.